Patents by Inventor Eric J Zell

Eric J Zell has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Bias corrected inertial navigation system
    Patent number: 11268812
    Abstract: A method and system is provided for estimating and compensating for gyro bias in gyro-stabilized systems. The method includes comparing an output of a gyroscope to a reference measurement; estimating a bias of the gyroscope based on the comparison using a Kalman filter; and adjusting a control output of the gyro-stabilized system with the estimated bias to maintain a position of the gyro-stabilized system.
    Type: Grant
    Filed: September 10, 2020
    Date of Patent: March 8, 2022
    Inventors: Eric J Zell, David J Bamford, Ahmed S Zaki